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<a href="spi_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * spi.h</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> *  Created on: 24-Jan-2009</span>
<a name="l00005"></a>00005 <span class="comment"> *      Author: Neil MacMillan</span>
<a name="l00006"></a>00006 <span class="comment"> *</span>
<a name="l00007"></a>00007 <span class="comment"> *  Macros and prototypes for using the AT90 as an SPI master.</span>
<a name="l00008"></a>00008 <span class="comment"> *</span>
<a name="l00009"></a>00009 <span class="comment"> *  References:</span>
<a name="l00010"></a>00010 <span class="comment"> *    Engelke, Stefan.  AVR-Lib/SPI.  http://www.tinkerer.eu/AVRLib/SPI</span>
<a name="l00011"></a>00011 <span class="comment"> *    Tanner, Justin.  LED Wheel: Code.  http://webhome.csc.uvic.ca/~mcheng/samples/led_wheel/wheel_demo.zip</span>
<a name="l00012"></a>00012 <span class="comment"> *    Atmel.  AT90USB1287 Hardware Manual.  http://www.atmel.com/dyn/resources/prod_documents/doc7593.pdf</span>
<a name="l00013"></a>00013 <span class="comment"> *</span>
<a name="l00014"></a>00014 <span class="comment"> *    All the hard work for this was done by [Engelke].</span>
<a name="l00015"></a>00015 <span class="comment"> */</span>
<a name="l00016"></a>00016 
<a name="l00017"></a>00017 <span class="preprocessor">#ifndef SPI_H_</span>
<a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor">#define SPI_H_</span>
<a name="l00019"></a>00019 <span class="preprocessor"></span>
<a name="l00020"></a>00020 <span class="preprocessor">#include &lt;stdio.h&gt;</span>
<a name="l00021"></a>00021 <span class="preprocessor">#include &lt;avr/io.h&gt;</span>
<a name="l00022"></a>00022 <span class="preprocessor">#include &lt;stdlib.h&gt;</span>
<a name="l00023"></a>00023 
<a name="l00024"></a>00024 <span class="preprocessor">#include &quot;<a class="code" href="variables_8h.html">variables.h</a>&quot;</span>
<a name="l00025"></a>00025 
<a name="l00026"></a>00026 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00027"></a>00027 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">&quot;C&quot;</span> {
<a name="l00028"></a>00028 <span class="preprocessor">#endif</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span>
<a name="l00034"></a>00034 <span class="keywordtype">void</span> <a class="code" href="spi_8c.html#a070402cc6c1cae693d10f59f9c483f76">initSPI</a>();
<a name="l00035"></a>00035 
<a name="l00043"></a>00043 <span class="keywordtype">void</span> <a class="code" href="spi_8c.html#a913e605a835df4675d23b4bc61172a44">SPI_ReadWrite_Block</a> (uint8_t * data, uint8_t * buffer, uint8_t len);
<a name="l00044"></a>00044 
<a name="l00050"></a>00050 <span class="keywordtype">void</span> <a class="code" href="spi_8c.html#aed83b4539902cac3b6636a901e840935">SPI_Write_Block</a> (uint8_t * data, uint8_t len);
<a name="l00051"></a>00051 
<a name="l00055"></a>00055 uint8_t <a class="code" href="spi_8c.html#a37f02047e80836d53e8fd642f7183075">SPI_Write_Byte</a> (uint8_t data);
<a name="l00056"></a>00056 
<a name="l00057"></a>00057 <span class="keywordtype">void</span> <a class="code" href="spi_8c.html#ad1959a2f17941eabcc96bbcc8d6a85b2">closeSPI</a>();
<a name="l00058"></a>00058 
<a name="l00059"></a>00059 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00060"></a>00060 <span class="preprocessor"></span>} <span class="comment">// extern &quot;C&quot;</span>
<a name="l00061"></a>00061 <span class="preprocessor">#endif</span>
<a name="l00062"></a>00062 <span class="preprocessor"></span>
<a name="l00063"></a>00063 <span class="preprocessor">#endif </span><span class="comment">/* SPI_H_ */</span>
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